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BGT4910 Rebar Strain Sensor for Bridge Health Monitoring Systems
BGT4910 Rebar Strain Sensor for Bridge Health Monitoring Systems BGT4910 Rebar Strain Sensor for Bridge Health Monitoring Systems
BGT4910 Rebar Strain Sensor for Bridge Health Monitoring Systems BGT4910 Rebar Strain Sensor for Bridge Health Monitoring Systems

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BGT4910 Rebar Strain Sensor for Bridge Health Monitoring Systems

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The BGT4910 Threaded Rebar Stress Meter is a high-performance instrument designed for real-time monitoring of stress variations in steel bars, anchor rods, and reinforced concrete structures. Engineered with exceptional precision, waterproof durability, and long-term stability, it integrates a temperature sensor to compensate for environmental thermal effects. Its anti-interference 4-core shielded cable ensures reliable signal transmission (frequency and temperature resistance) over unlimited distances, making it ideal for harsh environments in civil and geotechnical engineering.
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◀◀  Key Selling Points  ▶▶


✅ Ultra-Precise Monitoring

  • Resolution: 0.05% FS | Nonlinearity: ≤1% FS (linear) / ≤0.5% FS (polynomial).

  • Detects micro-strain changes in steel bars and anchor rods with unmatched sensitivity.

✅ Robust & Waterproof Design

  • IP68-rated sealing withstands custom hydrostatic pressures (2–3+ MPa).

  • Operates reliably in extreme temperatures (-20°C to +80°C).

✅ Versatile Compatibility

  • Available diameters: 12–40mm (varies by load range).

  • Compatible with high-strength threaded steel (300/400 MPa standard ranges).

✅ Temperature Compensation

  • Built-in sensor eliminates thermal drift for accurate, stable readings.

✅ Plug-and-Play Installation

  • Supports optional accessories: threaded sleeves and 350mm connecting bars for seamless integration.




◀◀  Product Parameters  ▶▶

Parameter Specification
Standard Range 300 MPa, 400 MPa (high-strength threaded steel)
Non-linearity ≤1% FS (linear) / ≤0.5% FS (polynomial)
Resolution 0.05% FS
Operating Temp. -20°C to +80°C
Water Pressure Customizable (2 MPa, 3 MPa, or higher)
Diameter Options 300 MPa: 12–40mm (10 sizes)
400 MPa: 16–40mm (8 sizes)

Note: Prolonged overloading beyond the rated range is prohibited.

Optional Accessories

  • Threaded rebar sleeves

  • 350mm connecting reinforcement bars



◀◀  Application Scenarios  ▶▶

Concrete Structure Health Monitoring
Track stress in bridges, dams, and high-rise buildings to prevent reinforcement fatigue.

Slope & Retaining Wall Stability
Monitor anchor rod stress in landslide-prone areas for early risk mitigation.

Tunnel & Underground Engineering
Ensure safety of shield tunnel segments or mining support systems.

Industrial Infrastructure
Assess steel frame integrity in factories, power plants, and offshore platforms.

For further details, please contact us!

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